Name is pronounced “miz-uh-RAO-skee”...Got engaged in January 2026...Graduated from Grain Valley (Mo.) High School...Attended Crowder (Mo.) College, where he was a 2022 National Junior College Athletic Association Division I Second Team All-American in his lone season (15 GS, 10-0, 2.72 ERA, 76 IP, 136 K).....became the highest-drafted player in school history (second round), surpassing Aaron Ashby (fourth round in 2018)...Is a supporter of the Wisconsin Parkinson Association.....his father, Tom, was diagnosed with Parkinson's disease when Jacob was growing up...Enjoys hunting, fishing and collecting baseball and Pokémon cards...Is a fan of the Kansas City Chiefs.
2025
Entered the season as the third-best prospect in the organization according to Baseball America...Entered 2025 tabbed by Baseball America as having the best fastball, slider and curveball in the organization...Went 4-2 with a 2.13 ERA in 13 games (12 starts) at Triple-A Nashville...Held opponents to a .175 batting average with 80 strikeouts in 63.1 innings...Was International League Pitcher of the Week for 3/24-3/30 and 4/21-4/27...Was Brewers Minor League Pitcher of the Month for May after going 2-2 with a 2.83 ERA in six starts (28.2 IP, 22 H, 10 R, 9 ER, 15 BB, 35 K)...Was selected by Milwaukee on 6/12...Went 5-3 with a 4.36 ERA in 15 games (14 starts) with Milwaukee...The team went 9-5 in his starts.....produced three quality starts...Held opponents to a .213 batting average with 87 strikeouts in 66.0 innings...His 202 pitches of 100+ MPH ranked fifth in the Major Leagues...Made his Major League debut on. 6/12 vs. St. Louis and tossed 5.0 hitless innings in a 6-0 win (4 BB, 5 K)..his first career strikeout was Willson Contreras...wore No. 33 in his Major League debut before switching to No. 32 (Aaron Civale traded)...Became the ninth pitcher in the Modern Era (since 1900) to produce at least five hitless innings in a Major League debut...Took a perfect game into the seventh inning of a 17-6 win on 6/20 at Minnesota (his second career game) before allowing a leadoff walk to Byron Buxton followed by a two-run homer by Matt Wallner (6 IP, 1 H, 2 R, 2 ER, 1 BB, 6 K, 1 HR)...His 11 consecutive innings without allowing a hit was the longest streak by a starting pitcher in the Modern Era to begin a career...was the first pitcher in the Modern Era to have more wins (2) than hits allowed (1) after his first two career starts...Beat eventual NL Cy Young Award winner Paul Skenes, 4-2, on 6/25 vs. Pittsburgh to win his third straight start to begin his career (5 IP, 2 H, 0 R, 2 BB, 8 K)...Was National League Rookie of the Month for June after going 3-0 with a 1.13 ERA in three starts (16 IP, 3 H, 2 R, 2 ER, 7 BB, 19 K) and joined Ben Sheets (June 2001) as the only Brewers pitchers to win the award...Beat future Hall of Famer Clayton Kershaw, 3-1, on 7/8 vs. Los Angeles-NL (6 IP, 4 H, 1 R, 1 ER, 1 BB, 12 K, 1 HR)…marked the first double-digit strikeout game of his career...was his fifth career game...Was an All-Star selection after just five starts, going 4-1 with a 2.81 ERA (25.2 IP, 12 H, 8 R, 8 ER, 11 BB, 33 K).....the five games marked the fewest in MLB history before being named an All-Star.....pitched the eighth inning in the All-Star Game in Atlanta (1 IP, 1 H)...Was on the 15-day injured list from 8/3-8/14 with a left tibia contusion, retroactive to 7/31...Struck out 10 batters over five innings on 8/26 vs. Arizona for his second career double-digit strikeout game (no decision)...Made his only relief appearance in his final outing of the season on 9/27 vs. Cincinnati (2.1 IP, 3 H, 2 R, 1 ER, 3 BB, 3 K)...Went 2-0 with a 1.29 ERA in two games in the NLDS vs. Chicago (7 IP, 4 H, 1 R, 1 ER, 2 BB, 7 K, 1 HR)…both outings came out of the bullpen.....won Game 2 and Game 5...His only appearance in the NLCS vs. Los Angeles came in relief in Game 3 at Dodger Stadium (L, 5 IP, 3 H, 2 R, 1 ER, 1 BB, 9 K).
2024
In 2024 went 3-5 with a 3.33 ERA and one save in 33 games (21 starts) at Double-A Biloxi (19 starts) and Triple-A Nashville (33 games, 21 starts)…Was named Southern League Pitcher of the Week three times: 4/22-4/28, 6/17-6/23 and 7/8-7/14.
2023
In 2023 went 4-2 with a 3.41 ERA in 20 starts at Class-A Carolina (nine starts), Class-A Wisconsin (six starts) and Double-A Biloxi (five starts)…Participated in the 2023 All-Star Futures Game at T-Mobile Park in Seattle (one IP, one H, three K)…Was named Brewers Minor League Pitcher of the Month for May 2023 at Class-A Carolina (Six starts, 1-1, 3.27 ERA, 22 IP, 38 K)…Was named Carolina League Pitcher of the Week for 5/22-5/28, 2023 after tossing 5.0 scoreless and hitless innings in a 5-0 win on 5/25 vs. Down East (0 BB, nine K, one HBP, one WP)…Notched a career-high 12 strikeouts over 6.0 innings of 1-hit ball in a 3-0 win for Double-A Biloxi on 8/15/23 at Mississippi (three BB, two HBP)…was his final outing of the season...was named Southern League Pitcher of the Week for 8/14-8/20, 2023.
